Agents against fish parasites
CA 1330296 C · Owner: Bayer Aktiengesellschaft · Inventors: Haberkorn, Axel; Mehlhorn, Heinz; Schmahl, Gunter
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
Compositions useful in controlling fish parasites containing at least one substituted 1,2,4-triazinediones of the formula, in which, R1 represents optionally substituted aromatic radicals or represents optionally substituted heteroaromatic radicals which are linked via carbon, X represents O S, SO, SO2 or , R2 represents one or more identical or different radicals from the group comprising hydrogen halogen, nitro, alkyl, alkoxy, halogenoalkyl halogenoalkoxy, R3 represents hydrogen optionally substituted alkyl, alkenyl, alkinyl aralkyl and their salts with bases.
Read the whole patent
Listed from its CIPO record in Patent Yard's archive of Canadian patents past their term. Its claims, description and drawings are in the CIPO record and on Google Patents, and the Claude kit works from them.
Why it's free to use
- Granted June 21, 1994. A Canadian patent filed before October 1, 1989 lasted 17 years from grant, so its term ended June 21, 2011.
- We check Canadian rights only. A patent in its family in another country could still be in force: check its family on Google Patents.
Timeline
Timeline From CIPO dates
Sources & verification
Official CIPO records
Everything on this page comes from the CIPO record linked above. Contains information licensed under the Open Government Licence – Canada.